MCP16331 datasheet(34/48 Pages) MICROCHIP

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MCP16331

DS20005308D-page 34

 2014-2021 Microchip Technology Inc.

FIGURE 7-3:

Multiple Outputs Buck Converter 10V – 40V Input Voltage to 2 x 5V and 3.3V Output

Voltages.(2)

Component

Value

Manufacturer

Part Number

Comment

CIN

2 x 10 µF

TDK Corporation

C3225X7R1H106M250AC Capacitor, Ceramic, 10 µF, 50V, 20%,

X7R, SMD, 1210

COUT, C1

10 µF

TDK Corporation

C3216X7R1E106K160AB Capacitor, Ceramic, 10 µF, 25V, 10%,

X7R, SMD, 1206

C2, C3

1 µF

TDK Corporation

CGA4J3X7R1E105K125AB Capacitor, Ceramic,1 µF, 25V, 10%, X7R,

SMD, 0805

10 µH

Wurth Elektronik®

744874100

744874100, 10 µH, Shielded Coupled

Inductors

52.3 k



Panasonic® - ECG

ERJPA3F5232V

Resistor, 52.3 kΩ, 1/10W, 1%, 0603, SMD

10 k



Panasonic - ECG

ERJ-3EKF1002V

Resistor, 10.0 kΩ, 1/10W, 1%, 0603, SMD

MBR0530

Fairchild

Semiconductor®

MBR0530

Schottky Rectifier, 30V, 500 mA, SOD-123

STPS2L60A STMicroelectronics

STPS2L60A

Schottky, 60V, 2A, SMA

1N4148

Diodes

Incorporated®

1N4148WS-7-F

Diode Switch, 75V, 200 mW, SOD-323

100 nF

AVX Corporation

0603YC104KAT2A

Capacitor, 0.1 µF, 16V, Ceramic, X7R,

0603, 10%

MCP1755

Microchip

Technology Inc.

MCP1755S-3302E/DB

MCP1755, 3.3V LDO, 300 mA, SOT-223-3

MCP16331

Microchip

Technology Inc.

MCP16331-E/CH

MCP16331-E/MNY

MCP16331, 500 kHz Buck Switcher, 50V,

500 mA

VIN

GND

VIN

10V-40V

VOUT

COUT

2x 10 µF

CIN

2x 10 µF

L1B(1)

10 µH

52.3 k



10 k



OFF

MCP16331

2A, 60V

BST

1N4148

0.1 µF

10 µH

L1A(1)

10 µF

1µF

VOUT2S

3.3V

VOUT1S

SGND

Note 1: L1A and L1B are mutually coupled.

2: Please refer to the Application Note: AN2102 “Designing Applications with MCP16331 High-Input



Voltage Buck Converter” (DS00002102), which can be found on the www.microchip.com web site.

VIN

VOUT

GND

MCP1755

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